CN108138754A - Hydraulic machine and the reversible metering supply pump for being equipped with the machine - Google Patents
Hydraulic machine and the reversible metering supply pump for being equipped with the machine Download PDFInfo
- Publication number
- CN108138754A CN108138754A CN201680059787.6A CN201680059787A CN108138754A CN 108138754 A CN108138754 A CN 108138754A CN 201680059787 A CN201680059787 A CN 201680059787A CN 108138754 A CN108138754 A CN 108138754A
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- Prior art keywords
- piston
- bizet
- valve
- clamshell
- hydraulic machine
- Prior art date
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- 230000002441 reversible effect Effects 0.000 title claims abstract description 13
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000033001 locomotion Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims description 37
- 238000005086 pumping Methods 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000002033 PVDF binder Substances 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- -1 polypropylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 20
- 239000007788 liquid Substances 0.000 abstract description 7
- 239000000654 additive Substances 0.000 description 16
- 230000000996 additive effect Effects 0.000 description 16
- 239000000203 mixture Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000283984 Rodentia Species 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
- F04B13/02—Pumps specially modified to deliver fixed or variable measured quantities of two or more fluids at the same time
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/04—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being hot or corrosive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
- F04B19/20—Other positive-displacement pumps
- F04B19/22—Other positive-displacement pumps of reciprocating-piston type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B5/00—Machines or pumps with differential-surface pistons
- F04B5/02—Machines or pumps with differential-surface pistons with double-acting pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/1087—Valve seats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/12—Valves; Arrangement of valves arranged in or on pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
- F04B53/143—Sealing provided on the piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B7/00—Piston machines or pumps characterised by having positively-driven valving
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/44—Details of seats or valve members of double-seat valves
- F16K1/443—Details of seats or valve members of double-seat valves the seats being in series
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/2496—Self-proportioning or correlating systems
- Y10T137/2559—Self-controlled branched flow systems
- Y10T137/2564—Plural inflows
- Y10T137/2567—Alternate or successive inflows
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Reciprocating Pumps (AREA)
- Reciprocating Pumps (AREA)
- Road Paving Machines (AREA)
Abstract
The present invention relates to a kind of hydraulic machine, including：Clamshell (14)；Differential piston (1), it is with top bizet (23) and lower base (27), the top bizet and the lower base are suitable for sliding to alternating movement in the cylindricality holding part (22) in the clamshell and inside the clamshell respectively, and the piston separates two rooms (16,17) of the clamshell；For supplying liquid and the hydraulic switching device from wherein discharge fluid to the room separated by piston, the switching device by the piston Bit andits control, and including acting at least one connecting rod (4) on transmission ＆ distribution component (12), the transmission ＆ distribution component includes the upper valve (3) to cooperate with the first pedestal (25) in the top bizet (23) for being arranged on the piston and at least one lower part valve (9) to cooperate with the second pedestal (26) in the lower base (27) for being arranged on the piston；And trigger device, it is suitable for causing switching device position suddenly change under the action of elastic device (E) to invert the stroke when the piston stroke is terminated.The upper and lower part valve pedestal has the upper truncated conical portion (25a with opposite taper respectively；26a) and lower frusto-conical portion (25c；26c).The invention further relates to the reversible metering supply pumps including this hydraulic machine.
Description
Subject of the present invention is a kind of hydraulic machine：The machine includes clamshell and differential piston, which has
Big cross section and the smaller region in section are suitable for alternately transporting in the cylindricality holding part in clamshell and inside clamshell respectively
It slides dynamicly.Piston separates the space inside clamshell according at least two Room.The machine is included for the room that is separated by piston
Liquid supplies and the hydraulic switching device of discharge, these switching devices are controlled by the displacement of piston, and may be at two surely
Positioning is put.The machine further includes to be changed suddenly suitable for causing switching device position under elastic device effect when piston stroke is terminated
Become the trigger device to invert stroke.Subject of the present invention also resides in the reversible metering supply pump including this hydraulic machine.
The hydraulic machine of the type is for example by 0 255 791 5 505 224 A or EP 1 151 196 of B, US of document EP
A is known.The pumping equipment for the additive that the hydraulic machine can be used in driving bulk fluid, the bulk fluid then ensure this
The driving of machine.
However, the hydraulic machine for the type, it is known that inlet porting and outlet, each of which all suitably limited so that
It obtains the mixing between additive and bulk fluid and is generally just discharged before outlet in the mixture and be referred to as " mixing
Occur in the room of room ".The configuration is actually preferred, this is because the configuration avoids mixture through entire clamshell, if
Additive is rodent or pollution, should be through may result in the corrosion of clamshell inner body and/or contaminated.So
And in the case of additive does not have corrosivity and/or pollution or in the case of the part of pump is insensitive for additive
In, it may be desirable in dedicated chamber after mixing, mixture is first passed in upper chambers before outlet is reached, Ran Houliu
Lead to bottom compartment.The configuration actually allows preferably to mix between additive and bulk fluid.
This is why allow in this wise using the hydraulic machine so that the entrance of bulk fluid and with addition
The outlet of the liquid of agent mixing is to exchange.The mixing between additive and bulk fluid is always realized in mixing chamber as a result,
But either directly after blending not through hydraulic machine entirely internally otherwise through machine it is entire internal after arranged
Go out to except pump.
For this purpose, subject of the present invention is a kind of hydraulic machine, including：
The clamshell being longitudinally extended along axis, the clamshell close the cylindricality holding part coaxial with clamshell；
Differential piston, with the smaller lower base of top bizet and section, in top bizet and lower base
Each to be suitable for sliding to alternating movement in clamshell and in cylindricality holding part respectively, piston and cylindricality holding part are according to mixing
Room, the room for being referred to as " upper chambers " and it is referred to as the room of " bottom compartment " and separates inside clamshell, mixing chamber is by cylindricality holding part and piston
Lower base limits, and upper chambers limit by the cap of top bizet and clamshell, bottom compartment by below the bizet of top part, clamshell
It is limited with cylindricality holding part；
Be used for the supply of room separated by piston and the hydraulic switching device of discharge, these switching devices by piston position
Control is moved, and including acting at least one connecting rod on the transmission ＆ distribution component that can be at two settling positions, the transmission ＆ distribution component
Including cooperating to allow the unicom between upper chambers and bottom compartment extremely with the first pedestal in the top bizet for being arranged on piston
A few upper valve and cooperate with the second pedestal in the lower base for being arranged on piston with allow upper chambers and mixing chamber it
Between unicom at least one lower part valve；
Trigger device causes switching device position under the action of the elastic means including being suitable for when piston stroke terminates
Suddenly change is put to invert the push piece of stroke, which is characterized in that upper and lower part valve pedestal is had respectively with opposite taper
Upper truncated conical portion and lower frusto-conical portion, each of which is opened in one of room of unicom, so that the connection between room
It is logical to be cut off when one or the other in associated valve blocking top or lower frusto-conical portion.
Illustrate the complementarity of the present invention or alternative optional feature below.
According to certain features, piston is equipped with detachable sealing device at bizet and its underpart base portion at an upper portion thereof.
It is at least one including installing and fixing respectively in the sealing device of top bizet and lower base according to other feature
Lip and auxiliary section on the periphery surface of bizet and/or base portion, lip is in the week for being arranged on top bizet or lower base
Locking is translated between shoulder and auxiliary section on the surface of side.
According to other feature, the fixation of auxiliary section includes the assembling of socket type, which to be arranged on the interior of auxiliary section
Radial protrusion on portion's periphery surface and the phase being arranged on the top bizet of respectively piston and the outer peripheral surfaces of base portion
Peripheral groove is answered to cooperate.
According to other feature, the fixation of auxiliary section additionally includes locking piece, which causes respectively along piston
The tongue that the width of top bizet and the window in the thickness of lower base is extended and the interior periphery surface from auxiliary section
The pin cooperation radially extended is acted, so that when the socket type assembles, sells and is translated along tongue so that tongue bending is until embedded
Between the edge of window and the end not pressed by pin of tongue.
According to other feature, lip has truncated cone shape, it is therefore preferred to have V-arrangement section.
According to other feature, piston is molded into single component.
According to other feature, piston is overmolded onto in the hook portion of pumping equipment.
Subject of the present invention also resides in a kind of reversible metering supply pump, including meeting an embodiment of the invention
Hydraulic machine, the pump be further provided with pumping equipment, bottom compartment split shed the first pipe, each is in mixing chamber split shed
Second pipe and sleeve, sleeve are connected to pumping equipment at another of its end.
According to other feature, which is such：Upper valve is located in bottom compartment, and lower part valve
In upper chambers, lower base and top bizet are each equipped with truncated cone shape sealed lip, around the lip of top bizet
Taper towards cap, and around lower base lip taper towards pumping equipment.
According to other feature, upper valve is located in upper chambers, and lower part valve is located in mixing chamber, lower base and upper
Portion's bizet equipped with truncated cone shape sealed lip, around top bizet lip taper towards pumping equipment, and around lower part base
The taper of the lip in portion is towards cap.
Read the detailed description to not in any way limiting embodiment and implementation and attached drawing, further advantage of the invention and spy
Point will become obvious：
- Fig. 1 a are the schematic diagrames of the hydraulic machine of first method of operation according to the present invention；
- Fig. 1 b are the schematic diagrames of the hydraulic machine of second method of operation according to the present invention；
- Fig. 2 is the three-dimensional longitudinal sectional view of the hydraulic machine of an embodiment of the invention；
- Fig. 3 is the front view of the longitudinal profile for the hydraulic machine for meeting first method of operation of the present invention；
- Fig. 4 is the decomposition longitudinal sectional view for the hydraulic machine for meeting second method of operation of the present invention；
- Fig. 5 is the front view of the longitudinal profile for the hydraulic machine for meeting second method of operation of the present invention；
- Fig. 6 is the decomposition longitudinal sectional view for the hydraulic machine for meeting first method of operation of the present invention；
- Fig. 7 a, 7a ', 7b, 7b ', 7c, 7d be meet the present invention hydraulic machine a details three-dimensional view；
- Fig. 8 a, 8a ', 8b, 8b ', 8c, 8d be meet the present invention hydraulic machine another details three-dimensional view.
Embodiments described below is not in any way limiting, it is particularly possible to consider such modification of the present invention：It only includes
A selected works being isolated with other features for the feature are (even if the selected works are in the phrase including these other features
Isolation), if this feature selected works are enough to assign technological merit or distinguish the present invention relative to the prior art.The selected works are included extremely
Few one it is preferably functional and amorphousness details or only with some constructional details (if the only part
Just be enough to assign technological merit or distinguish the present invention relative to the prior art) feature.
For succinct and clear purpose, element has same reference numerals in various figures.
With reference to attached drawing, especially Fig. 1 and 2, it is seen that a hydraulic machine, including alternating movement formula differential hydraulic piston.
The machine includes the clamshell 14 being made of the cylindrical bodies 24 extended along axis 100, is provided in the cylindrical bodies with removable
The mode (consolidating especially by spiral shell) removed is assembled into the cap 15 of main body 24.Differential piston 1 is arranged in clamshell 14 with along axis
Slide to 100 alternating movement of line.Piston 1 includes heavy in section top bizet 23 at upper part, and periphery is by means of sealing
Part compresses the inner wall of clamshell 14 in a sealing manner.Piston coaxial with clamshell 14 and with than 23 less diameter of top bizet
Shaft couple with the bizet, and downwards (direction i.e. opposite with cap) extend.The low portion of piston shaft is to seal
Mode slided in the cylindricality holding part 22 coaxial with clamshell 1.Shaft is closed at low portion by lower base 27.Piston
1 and cylindricality holding part 22 according to the room 18 for being referred to as " mixing chamber ", the room for being referred to as " upper chambers " 16 and it is roughly annular be referred to as " under
The room of portion room " 17 separates the inside of clamshell 14, and mixing chamber is limited by the lower base 27 of cylindricality holding part 22 and piston, upper chambers
It is limited by the cap 15 of top bizet 23 and clamshell, bottom compartment is housed by part, clamshell 14 and cylindricality of the top bizet below 23
Portion 22 limits.
The hydraulic machine includes bottom compartment 17 being connected to the first external pipe 19 and mixing chamber 18 is connected to outside
Second pipe 21.The cylindrical sleeve 20 coaxial with clamshell 14 is extended downwardly from mixing chamber to be set with allowing mixing chamber being connected to suction
Standby 29.The pumping equipment is activated by the bar 1a of piston by hydraulic machine, which is connected to additive pumping installations and (does not exist in itself
It is shown in attached drawing).Document EP0255791 and EP1151196 be can refer to obtain the more details about the type equipment.
It is provided with the supply of room 16,17,18 for being separated by piston and the hydraulic switching device of discharge.These switching dresses
The Bit andits control by piston is put, and including acting on the connecting rod 4 on the transmission ＆ distribution component that can be at two settling positions.More accurately
It says, which includes at least one valve load-bearing part 12, including first with being arranged in the top bizet 23 of piston
Pedestal 25 cooperate be referred to as " upper valve " at least one first valve 3 and with being arranged in the lower base 27 of piston
At least one second valve 9 for being referred to as " lower part valve " of second pedestal 26 cooperation.The quantity of valve can change, but preferably etc.
In four.
The hydraulic machine additionally include suitable for when piston stroke is terminated under the action of elastic device E by compressing
Stop part causes switching device position suddenly change to invert the trigger device of piston stroke, including push piece 2.Compress stop part
(not shown in figures) is implemented around in cap 15, piston to be allowed to make its upward stroke into descending stroke.Compress backstop
Part 140 also occurs near the low portion of clamshell, piston to be allowed to make its descending stroke into upward stroke.
Connecting rod 4 is hinged at one end relative on 1 fixed point of piston, and the other end of connecting rod then can
It moves in the vertical window of valve load-bearing part 12 and is pressed against to backstop on one in two settling positions of transmission ＆ distribution component
One in two ends of the window.Elastic device E each places in its end, which are attached to receive respectively, is being arranged on connecting rod
The hinge member in holding part on upper and push piece.Each holding part all along with elastic device E in the holding part considered
It opens in the substantially opposite direction in the direction of the power applied in wall.Elastic device E can be advantageously made of convex spring leaf 11.
Valve 3,9 is mounted on the substantially valve load-bearing part 12 with frame form (Fig. 4 and 6), and the frame is in hydraulic press
It is vertical on device running position, and includes the flank to outer projection on two vertical edge, is suitable for being arranged on work
(invisible) cooperation of guide recess in plug 1.Advantageously, there are four upper valve 3 and four lower part valves 9.The lower part of frame
Horizontal sides include beating by two of mounting that allow the fixing by the cylindrical rod with valve perpendicular to the translation of frame plane
The holding part opened.The lower edge of each holding part along the certain interval for being parallel to piston axis direction to be placed in and valve
Be coupled two between flange or disk of bar.Proper valve by its periphery include for receive sealing element 13,
The disk composition of 28 groove.
The pedestal 25 of the referred to as valve of " upper valve " 3 is embodied as the top bizet 23 through piston, so that it allows
Unicom between upper chambers 16 and bottom compartment 17.The pedestal of upper valve is along the axis 100 for being roughly parallel to hydraulic machine
Axis extends, and has upper truncated conical portion 25a and lower frusto-conical portion 25c, each of which with opposite taper and all exist
It is opened in one in the room of unicom.Lower part is connected with upper truncated conical portion by center portion 25b.
The pedestal 26 of the referred to as valve of " lower part valve " 9 is arranged in the lower base 27 of piston, so that it allows
Unicom between portion room 16 and mixing chamber 18.The pedestal of lower part valve along the axis 100 for being roughly parallel to hydraulic machine axis
Line extends, and has upper truncated conical portion 26a and lower frusto-conical portion 26c with taper, and each of which is all in unicom
It is opened in one in room.Lower part is connected with upper truncated conical portion by center portion 26b.In other words, frustoconical part
Section be the largest at the position of its respective room split shed in these parts.
When cap 15 is removed, it is capable of the bar of sensible valve so that it engages or disengages valve load-bearing part.
Valve load-bearing part advantageously generates the single component made of molded plastics.
The operation of the hydraulic machine is similar to described in EP1151196, but have the characteristics that such：The operation is
Reversible.
As shown in Fig. 1,3 and 6, upper valve 3 " penetratingly " is in the top bizet 23 of piston, so that valve
The base portion of door is located at the inside of bottom compartment 17.It is described that this is embodied in can working as positioned at the face of that side of the bar of valve 3 for base portion 30
Blocking is arranged on the frustoconical part 25c in the bizet of top when face pressure supports the frustoconical part 25c of the pedestal 25 of upper valve 3.
Advantageously, O-ring 13 can be equipped in the peripheral groove in the base portion 30 for being arranged on upper valve 3 to optimize sealing.
On the contrary, lower part valve 9 is not " penetratingly " in the lower base 27 of piston 1, so that the base of valve 9
Portion 90 is located in upper chambers.This be embodied in base portion 90 with can be when described positioned at the opposite face in the face of that side of the bar of valve 9
Blocking is arranged on the frustoconical part 26a in base portion 27 when face pressure supports the frustoconical part 26a of the pedestal 26 of lower part valve 9.Have
Sharply, O-ring 28 can be equipped in the peripheral groove in the base portion 90 for being arranged on lower part valve 9 to optimize sealing.
According to the valve mounting configuration, hydraulic machine is located at for the entrance of bulk fluid at the first pipe 19, for mixing
Outlet be located at the second pipe 21.
Bottom compartment 17 is entered by pipe 19 according to the bulk fluid (generally water) with the associated cycle of the configuration, compression.
Upper valve 3 is closed, and valve 9 is opened, and thus the liquid of upper chambers 16 is allowed to flow to mixing chamber 18, then mixture is via pipe
21 rows are to outlet.In fact, under the action of pressure of the bulk fluid in the bottom surfaces of the top bizet of piston, piston starts
Upward stroke, the upward stroke tend to reduce the volume of upper chambers and therefore arrange content therein since unicom is opened
To mixing chamber.
When upward stroke terminates, push piece 2 compresses the stop part for being connected to cap 15, this draws under the action of spring leaf 11
Hair connecting rod 4 verts towards another lower stable position, while valve load-bearing part 12 is shifted to piston base.Valve 9 is closed, and valve
Door 3 is then opened.Pressure fluid can lead to upper chambers 16 from bottom compartment 17, and the upper chambers and the unicom of mixing chamber 18 are cut at present
Disconnected, the movement of piston is inverted.The movement is inverted due to pressure of the bulk fluid in lower base 27.In descending stroke
During termination, push piece 2 meets with the stop part 140 that is coupled with clamshell 14 by its underpart end, this initiation connecting rod 4 towards high position again
Secondary vert shifts with valve load-bearing part 12, leads to that valve 3 is closed and valve 9 is opened.The movement of piston 1 is inverted again, living
Plug restarts to move according to upward stroke.
Concurrently, alternating movement of the piston when hydraulic machine is supplied to liquid allows alternately to generate through sleeve 20
Suction is until in mixing chamber 18.As a result, when sleeve 20 is connected to pumping equipment 29, the suction to additive is generated, the addition
Agent is by injection mixing chamber.Generally, pumping equipment includes opening at least when piston is far from sleeve (i.e. in upward stroke)
One suction valve, then when piston is close to sleeve (i.e. in descending stroke) as the first suction valve is closed via pipe
21 discharge in exit.
According to above-mentioned configuration, it is simultaneously that suction and the bulk fluid of additive, which are arranged from upper chambers 16 to mixing chamber 18,.
Therefore being discharged via pipe 21 in exit for pump is just realized after additive is mixed with bulk fluid.The configuration allows to avoid
Additive runs through the entire inside of hydraulic machine.The configuration especially allows to limit the pollution inside machine or corrosion risk.
According to another configuration and as shown in Figures 4 and 5, upper valve 3 is no longer preced with by " penetratingly " mounted on the top of piston
In portion 23, this is because the base portion 30 of upper valve 3 is located at the inside of upper chambers 16 in the configuration.This is embodied in and valve 3
The opposite face in face of that side of the bar of base portion 30 can work as the frustoconical part that the face pressure supports the pedestal 25 of upper valve 3
Blocking is arranged on the trepanning in the bizet of top during 25a.Advantageously, in the peripheral groove in the base portion for being arranged on upper valve 3
O-ring 13 can be equipped with to optimize sealing.
Be still according to the configuration, lower part valve 9 by " penetratingly " in the lower base 27 of piston 1 so that
The base portion 90 of valve 9 is located in mixing chamber 18.This is embodied in the face opposite with the face of that side of the bar of the base portion of valve 9 90 can
As the frustoconical part 26c of pedestal 26 of the face pressure to lower part valve 9, blocking is arranged on the trepanning in base portion 27.Favorably
Ground can be equipped with O-ring 28 in the peripheral groove in the base portion for being arranged on lower part valve 9 to optimize sealing.
According to the valve mounting configuration, the entrance of hydraulic machine is located at the second pipe 21, and outlet is located at the first pipe 19.
According to cycle associated with the configuration, the bulk fluid (generally water) of compression enters mixing chamber by pipe 21
18.Lower part valve 9 is closed, and upper valve 3 is opened, and allowing the liquid flow of upper chambers 16, then mixture is passed through to bottom compartment 17
From 19 row of pipe to outlet.In fact, in bulk fluid under the action of the pressure of the bottom surfaces of the top bizet of piston, piston
Begin to ramp up stroke.The volume of upper chambers reduces, wherein the connection of opening of the mixture contained between the room of upper and lower part
It is logical to drain (upper valve 3 is lifted).
At the end of upward stroke, push piece 2 compresses the stop part for being connected to cap 15, this draws under the action of spring leaf 11
Hair connecting rod 4 verts towards another settling position, while valve load-bearing part 12 is shifted to piston base direction.Valve 3 is closed, and valve
Door 9 is then opened.Compression mixture enters the upper chambers 16 no longer with 17 unicom of bottom compartment, since pressure is applied to lower part base at present
In the upper side in portion 27, the movement of piston is inverted.When descending stroke terminates, push piece 2 is met with by its underpart end and shell
The stop part 140 being coupled is covered, this initiation connecting rod 4 verts again towards backward position to be shifted with valve load-bearing part 12, leads to valve
Door 9 is closed and valve 3 is opened.The movement of piston 1 is inverted again, and piston restarts to move according to upward stroke.
When by supplying alternating movement of the bulk fluid come the piston moved to hydraulic machine, also by the alternating of piston
It moves and generates the suction through sleeve 20 up in mixing chamber 18.As a result, when piston is far from sleeve, additive is sucked into
To be mixed with the bulk fluid entered via pipe 21 in room 18.Then, when piston is close to sleeve, the first suction valve is closed,
Mixture is discharged to upper chambers 16.
Pump drains additive and main liquid therefore that being mixed in room 18 via pipe 19 in exit
Body is realized after having run through upper chambers and bottom compartment.The configuration ensures more much higher than the mixing quality obtained by previous configuration
Mixing quality.
Advantageously, hydraulic machine according to the present invention can be made entirely of plastic, including piece 11, so that the hydraulic machine
With repellence better to chemical products, without metal parts.It forms the number of parts of machine and assembles these parts
Time is also significantly reduced.Installation and maintenance are simplified, and become to be more prone to.
Advantageously, the material of the piston is by being selected in the inventory that limits from polypropylene, polyamide, polyvinylidene fluoride
Thermoplastic material, piston is preferably overmolded onto in the hook portion of pumping equipment.
Advantageously, piston 1 is equipped with detachable sealing device at an upper portion thereof at bizet 23 and at its underpart base portion 27.By
This, maintenance is easy, this is because not needing to replace entire piston when sealing device is worn.Thus, additionally it is possible to when it is desirable that
The installation of the sealing device is inverted during the operation of reverse hydraulic machine.
Such as Fig. 7 a, 7a ', 7b, 7b ', 7c, 7d and 8a, 8a ', 8b, 8b ', shown in 8c, 8d, top bizet 23 and lower base
Sealing device respectively includes the lip 5,6 and the auxiliary section 7,8 that are fitted and fixed to respectively on the periphery surface of bizet and base portion,
Lip is translated between the shoulder and auxiliary section on overground part bizet 23 and the periphery surface of lower base 27 respectively is arranged on
Ground locks.
A preferred arrangement according in Fig. 7 a, 7b, 7c, 7d, the fixation of auxiliary section 8 are assembled including " socket " formula,
The assembling causes the radial protrusion being arranged on the interior periphery surface of auxiliary section 8 81 and is arranged on the external week of lower base 27
Respective perimeter groove cooperation on the surface of side.More precisely, protrusion is suitable for being arranged on the outer surface of lower base 27
Respective perimeter groove cooperates.The busbar headroom parallel with the axis 100 of hydraulic machine is provided on the outer periphery of base portion 27,
To allow the translational motion of the axis by being parallel to piston and radial protrusion comes the opposite of peripheral groove entrance.Then,
Rotation by the axis for surrounding piston, protrusion 81 are joined in groove, the locking with auxiliary section 8.The dismounting of ring passes through anti-
Transhipment is dynamic rapidly to be realized.
Thus sealed lip 5 is locked between shoulder and auxiliary section 8, the shoulder is in the outer peripheral surfaces of base portion 27
Protrusion.
Similarly, it is arranged according to one shown in Fig. 8 a, 8b, 8c, 8d is preferred, the fixation of auxiliary section 7 includes " inserting
Mouth " formula assembling, the assembling cause the radial protrusion being arranged on the interior periphery surface of auxiliary section 7 71 and are arranged on top bizet
Respective perimeter groove cooperation in 23 outer peripheral surfaces.More precisely, protrusion is suitable for being arranged on top bizet 23
Respective perimeter groove agreement on outer surface.The busbar headroom parallel with the axis of piston is provided on the outer periphery of bizet 23,
To allow the translational motion of the axis by being parallel to piston and radial protrusion comes the opposite of peripheral groove.Then, pass through
Around the rotation of the axis of piston, protrusion 71 is joined in groove, the locking with auxiliary section 7.The dismounting of ring is transported by inverting
It is dynamic rapidly to realize.
Thus sealed lip 6 is locked between shoulder and auxiliary section 7, the shoulder is in the outer periphery table of top bizet 23
It is raised on face.
Advantageously, " socket " formula fixation of auxiliary section 7,8, which additionally includes, is intended to that auxiliary section is prevented to support unexpected take off with it
From locking piece.In other words, which allows auxiliary section is avoided to rotate, and thus causes flank and is detached to outside groove.
As shown in Fig. 7 a ' and 7b ', locking piece so that the width along the window being arranged in the thickness of lower base 27 prolongs
The tongue 271 stretched cooperates with the pin 82 from the interior periphery surface of auxiliary section 8 radially, so that when by auxiliary section 8
Caused by being rotated relative to lower base 27 along axis 100 during socket type assembling (Fig. 7 b '), sell and translated along tongue, simultaneously
Cause between the end that tongue is flexed up to the edge of embedded window and tongue is not compressed by pin (see Fig. 7 a ').Thus pin passes through
Distance a '.
Advantageously, when it is bent, tongue 271 is pressed against on the edge of window for being arranged on lower base 27 with reaching backstop
Protrusion 272.The protrusion forms the stop part of the bending of limitation tongue 271 as a result,.Also pin 82 can not rearward turn as a result,
It is dynamic, this is because the pin is also pressed against tongue to backstop.
Similarly and as shown in Fig. 8 a ' and 8b ', locking piece causes along the window being arranged in the thickness of top bizet 23
The tongue 231 of width extension cooperate with the pin 72 from the interior periphery surface of auxiliary section 7 radially so that ought be by
Caused by auxiliary section 7 is rotated relative to top bizet 23 along axis 100 during socket type assembling (Fig. 8 b '), sell along tongue
Translation also results in tongue bending and knows between the edge of embedded window and the end that tongue is not compressed by pin (see Fig. 8 a ').Pin
Thus pass through distance a.
Advantageously, when it is bent, tongue 231 is pressed against on the edge of window for being arranged on top bizet 23 with reaching backstop
Protrusion 232.Pin 72 can not be rotated towards rear as a result, this is because pin is also pressed against tongue to backstop.
Advantageously, lip 5 has at least in its outer peripheral surfaces for the profile of truncated cone shape.Advantageously, the wheel of lip
Exterior feature can be V-shaped.
The mixture realized between bulk fluid and additive is discharged to not through upper chambers 16 and then 17 ground of bottom compartment
In the method for operation except pump, reversible metering supply pump is such：Upper valve is located in bottom compartment, and lower part valve is located at
In upper chambers.
Preferably, lower base and top bizet are equipped with such sealed lip with V-arrangement profile：Top bizet
Upward, and the taper of the lip of lower base is downward for the taper of lip.It can refer to document FR2896280A1, especially
It is Figure 10 to obtain the more details of the V-arrangement profile about these sealed lips.
The mixture realized between bulk fluid and additive is in the row of accompanying after upper chambers 16 and then bottom compartment 17
In the method for operation after to pump, reversible metering supply pump is such：Upper valve is located in upper chambers, and lower part valve position
In mixing chamber.
Preferably, lower base and top bizet are equipped with such sealed lip with V-arrangement profile：Top bizet
Downward, and the taper of the lip of lower base is upward for the taper of lip.It can refer to document FR2896280A1, especially
It is Figure 10 to obtain the more details of the V-arrangement profile about these sealed lips.
In short, it appear that the valve pedestal with dual taper combined with the dismountable property of lip allows to obtain it
Run reversible pump.Entrance and exit can be inverted as needed to be allowed optimally using pump, this is because the use is suitable for adding
Add agent.Invertibity also allows to propose with considerably less specific component, is only that the different of valve select.
Certainly, the present invention is not limited to above-mentioned examples, without departing from the scope of the invention can carry out numerous changes to these examples.
Moreover, different characteristic, form, modification and the embodiment of the present invention can be associated with each other according to various combinations, as long as they
It is not incompatible or repels each other.
Claims (11)
1. a kind of hydraulic machine, including：
The clamshell (14) being longitudinally extended along axis (100), the clamshell close the cylindricality holding part coaxial with the clamshell
(22)；
Differential piston (1), with the smaller lower base of top bizet (23) and section (27), the top bizet and
It is each suitable for being slided to alternating movement in the clamshell and in the cylindricality holding part respectively in the lower base, institute
Piston and the cylindricality holding part are stated according to mixing chamber (18), the referred to as room of " upper chambers " (16) and referred to as " bottom compartment " (17)
Room separates the inside of the clamshell, wherein the mixing chamber is limited by the lower base of the cylindricality holding part and the piston,
The upper chambers are limited by the cap (15) of the top bizet (23) and the clamshell, and the bottom compartment is by the top bizet
Following part, the clamshell (14) and the cylindricality holding part limits；
For the supply of room separated by the piston and the hydraulic switching device of discharge, the switching device is by the piston
Bit andits control, and including acting at least one connecting rod (4) being on the transmission ＆ distribution component (12) of two settling positions, institute
Transmission ＆ distribution component is stated to include cooperating to allow on described with the first pedestal (25) in the top bizet (23) for being arranged on the piston
The upper valve (3) of unicom between portion room and the bottom compartment and with being arranged in the lower base (27) of the piston
Second pedestal (26) cooperates at least one lower part valve (9) for allowing the unicom between the upper chambers and the mixing chamber；
Trigger device causes the switching when the piston stroke is terminated including being suitable under the action of elastic device (E)
The position suddenly change of device to invert the push piece of the stroke (2),
It is characterized in that, the pedestal of the upper valve and lower part valve has the top truncated cone with taper relative to each other respectively
Shape part (25a；26a) and lower frusto-conical portion (25c；26c), each of which is opened in one of room of unicom, so that institute
State unicom between room in upper truncated conical portion described in associated valve blocking or one in lower frusto-conical portion or
Another when be cut off.
2. hydraulic machine as described in claim 1, which is characterized in that the piston (1) is at an upper portion thereof under bizet (23) and its
Detachable sealing device (5,8 is equipped at portion's base portion (27)；6、7).
3. hydraulic machine as claimed in claim 2, which is characterized in that the top bizet and the lower base it is described close
At least one of seal apparatus includes being fitted and fixed on the bizet of the piston and/or the periphery surface of the base portion
Lip (5,6) and auxiliary section (7,8), shoulder and institute of the lip on the periphery surface for being arranged on corresponding bizet or base portion
It states and locking is translated between auxiliary section.
4. hydraulic machine as claimed in claim 3, which is characterized in that the fixation of the auxiliary section is assembled including " socket " formula,
The assembling cause the radial protrusion being arranged on the interior periphery surface of the auxiliary section (71,81) bizet corresponding to being arranged on or
Respective perimeter groove cooperation in the outer peripheral surfaces of base portion.
5. the hydraulic machine as described in claim 3 or 4, which is characterized in that the fixation of the auxiliary section includes locking piece, the lock
Determine part so that along corresponding bizet, base portion thickness in window the tongue that is extended of width with from the auxiliary section
Portion's periphery surface acts the pin cooperation radially extended, so that when " socket " formula assembling, the pin is put down along the tongue
Move so that tongue bending until edge and the tongue of the embedded window not by the end of pin pressing it
Between.
6. the hydraulic machine as described in any one of claim 3 to 5, which is characterized in that the outer peripheral surfaces of the lip
It is truncated cone shape, the profile that the lip preferably has section V-shaped.
7. the hydraulic machine as described in any one of the claims, which is characterized in that the piston is molded into single zero
Part, the material of the piston are the thermoplasticity materials selected from the inventory limited by polypropylene, polyamide, polyvinylidene fluoride
Material.
8. hydraulic machine as claimed in claim 7, which is characterized in that the piston is overmolded onto pumping equipment (29)
In hook portion.
9. a kind of reversible metering supply pump, including meeting the hydraulic machine described in any one of the claims, which sets
Have pumping equipment (29), the bottom compartment (17) split shed the first pipe (19), the in the mixing chamber (18) split shed
Two pipes (21) and the cylindrical sleeve (20) coaxial with the clamshell (14), the cylindrical sleeve extend outwardly to permit from the mixing chamber
Permitted to be connected to the pumping equipment (29).
10. reversible metering supply pump as claimed in claim 9, the upper valve (3) in the bottom compartment (17), and
The lower part valve (9) in the upper chambers (16), the lower base (27) and the top bizet (23) equipped with
Sealed lip (5,6), outer peripheral surfaces are truncated cone shapes, and the lip preferably has V-shaped profile, and feature exists
In, the lip (6) of the top bizet (23) taper towards the cap, and the lip of the lower base (27)
The taper in portion (5) is towards the pumping equipment.
11. reversible metering supply pump as claimed in claim 9, the upper valve (3) in the upper chambers (16), and
The lower part valve (9) in the mixing chamber (18), the lower base (27) and the top bizet (23) equipped with
Sealed lip (5,6), outer peripheral surfaces are truncated cone shapes, and the lip preferably has V-shaped profile, and feature exists
In, the lip (6) of the top bizet (23) taper towards the pumping equipment, and the institute of the lower base (27)
The taper of lip (5) is stated towards cap.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1559731A FR3042235B1 (en) | 2015-10-13 | 2015-10-13 | HYDRAULIC MACHINE AND REVERSIBLE DOSING PUMP EQUIPPED WITH SUCH A MACHINE |
| FR1559731 | 2015-10-13 | ||
| PCT/EP2016/074611 WO2017064197A1 (en) | 2015-10-13 | 2016-10-13 | Hydraulic machine and reversible metering pump equipped with such a machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108138754A true CN108138754A (en) | 2018-06-08 |
| CN108138754B CN108138754B (en) | 2019-11-08 |
Family
ID=55411474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680059787.6A Active CN108138754B (en) | 2015-10-13 | 2016-10-13 | Hydraulic machine and the reversible metering supply pump for being equipped with the machine |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US10968901B2 (en) |
| EP (1) | EP3362685B1 (en) |
| JP (1) | JP6882276B2 (en) |
| KR (1) | KR20180070570A (en) |
| CN (1) | CN108138754B (en) |
| AU (1) | AU2016336816B2 (en) |
| BR (1) | BR112018006998A2 (en) |
| CA (1) | CA3001049C (en) |
| DK (1) | DK3362685T3 (en) |
| EA (1) | EA034841B1 (en) |
| ES (1) | ES2775737T3 (en) |
| FR (1) | FR3042235B1 (en) |
| IL (1) | IL258552B2 (en) |
| MX (1) | MX2018004525A (en) |
| NZ (1) | NZ741184A (en) |
| PL (1) | PL3362685T3 (en) |
| PT (1) | PT3362685T (en) |
| SG (1) | SG11201802782UA (en) |
| WO (1) | WO2017064197A1 (en) |
| ZA (1) | ZA201802404B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11946564B2 (en) | 2022-08-10 | 2024-04-02 | Thomas D. Mueller | Rotary valve for use with a fluid proportioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86105995A (en) * | 1985-09-05 | 1987-03-18 | 克罗普·吉恩 | A kind of drive unit especially for the piston flowmeter proportioning pump |
| CN87105287A (en) * | 1986-07-31 | 1988-02-10 | 吉恩·克洛伯 | A kind of condiment of improved injection metering is given the device of main fluid |
| US6129526A (en) * | 1996-03-07 | 2000-10-10 | Societe Dsa | Metering pump having a tubular seal for sealing a main liquid from an auxiliary liquid |
| EP1151196A1 (en) * | 1999-02-09 | 2001-11-07 | Dosatron International | Reciprocating differential hydraulic machine, especially a differential hydraulic machine |
| CN101371040A (en) * | 2006-01-13 | 2009-02-18 | 多沙特隆国际公司 | Hydraulic machine, in particular hydraulic motor, with a recipricating movement |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2888034A (en) * | 1956-08-02 | 1959-05-26 | Glegg Douglas | One-piece double check valve |
| DE3249423C2 (en) | 1982-08-03 | 1986-02-27 | Wilhelm G. 8510 Fürth Scheller | Storage with magnetic ring structures |
| FR2707350B1 (en) | 1993-07-05 | 1995-09-01 | Ody Civile Ste Rech | Device for controlling the alternating movements of a differential piston, and metering pump comprising such a device. |
| FR2896280A1 (en) * | 2006-01-13 | 2007-07-20 | Dosatron International | HYDRAULIC MACHINE, IN PARTICULAR A HYDRAULIC ENGINE, WITH ALTERNATIVE MOTION, AND DIFFERENTIAL PISTON FOR SUCH A MACHINE. |
| US8646478B2 (en) * | 2009-10-05 | 2014-02-11 | Delaware Capital Formation, Inc. | Tank valve system |
| FR2965864B1 (en) * | 2010-10-08 | 2012-12-14 | Dosatron International | LIQUID DOSING PUMP, AND DEVICE FOR DETECTING PRESSURE VARIATION FOR SUCH A PUMP. |
| PL218378B1 (en) * | 2011-07-15 | 2014-11-28 | Gen Electric | Valve assembly |
| FR3001003B1 (en) * | 2013-01-17 | 2015-03-20 | Dosatron International | ASSAY DEVICE FOR INTRODUCING A LIQUID ADDITIVE IN A MAIN LIQUID CURRENT. |
-
2015
- 2015-10-13 FR FR1559731A patent/FR3042235B1/en not_active Expired - Fee Related
-
2016
- 2016-10-13 US US15/767,322 patent/US10968901B2/en active Active
- 2016-10-13 CA CA3001049A patent/CA3001049C/en active Active
- 2016-10-13 BR BR112018006998-1A patent/BR112018006998A2/en active Search and Examination
- 2016-10-13 PT PT167841550T patent/PT3362685T/en unknown
- 2016-10-13 DK DK16784155.0T patent/DK3362685T3/en active
- 2016-10-13 NZ NZ741184A patent/NZ741184A/en unknown
- 2016-10-13 WO PCT/EP2016/074611 patent/WO2017064197A1/en active Application Filing
- 2016-10-13 MX MX2018004525A patent/MX2018004525A/en unknown
- 2016-10-13 PL PL16784155T patent/PL3362685T3/en unknown
- 2016-10-13 JP JP2018519009A patent/JP6882276B2/en active Active
- 2016-10-13 ES ES16784155T patent/ES2775737T3/en active Active
- 2016-10-13 EA EA201890833A patent/EA034841B1/en not_active IP Right Cessation
- 2016-10-13 EP EP16784155.0A patent/EP3362685B1/en active Active
- 2016-10-13 AU AU2016336816A patent/AU2016336816B2/en active Active
- 2016-10-13 CN CN201680059787.6A patent/CN108138754B/en active Active
- 2016-10-13 KR KR1020187009997A patent/KR20180070570A/en unknown
- 2016-10-13 SG SG11201802782UA patent/SG11201802782UA/en unknown
-
2018
- 2018-04-08 IL IL258552A patent/IL258552B2/en unknown
- 2018-04-12 ZA ZA2018/02404A patent/ZA201802404B/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86105995A (en) * | 1985-09-05 | 1987-03-18 | 克罗普·吉恩 | A kind of drive unit especially for the piston flowmeter proportioning pump |
| CN87105287A (en) * | 1986-07-31 | 1988-02-10 | 吉恩·克洛伯 | A kind of condiment of improved injection metering is given the device of main fluid |
| US6129526A (en) * | 1996-03-07 | 2000-10-10 | Societe Dsa | Metering pump having a tubular seal for sealing a main liquid from an auxiliary liquid |
| EP1151196A1 (en) * | 1999-02-09 | 2001-11-07 | Dosatron International | Reciprocating differential hydraulic machine, especially a differential hydraulic machine |
| CN101371040A (en) * | 2006-01-13 | 2009-02-18 | 多沙特隆国际公司 | Hydraulic machine, in particular hydraulic motor, with a recipricating movement |
Also Published As
| Publication number | Publication date |
|---|---|
| EA034841B1 (en) | 2020-03-27 |
| EP3362685B1 (en) | 2019-12-04 |
| IL258552B1 (en) | 2023-01-01 |
| FR3042235A1 (en) | 2017-04-14 |
| PT3362685T (en) | 2020-03-05 |
| SG11201802782UA (en) | 2018-05-30 |
| AU2016336816A1 (en) | 2018-05-10 |
| MX2018004525A (en) | 2018-09-12 |
| PL3362685T3 (en) | 2020-06-01 |
| CN108138754B (en) | 2019-11-08 |
| WO2017064197A1 (en) | 2017-04-20 |
| EA201890833A1 (en) | 2018-10-31 |
| EP3362685A1 (en) | 2018-08-22 |
| NZ741184A (en) | 2023-02-24 |
| US20180298888A1 (en) | 2018-10-18 |
| JP6882276B2 (en) | 2021-06-02 |
| KR20180070570A (en) | 2018-06-26 |
| CA3001049A1 (en) | 2017-04-20 |
| BR112018006998A2 (en) | 2018-10-16 |
| IL258552A (en) | 2018-05-31 |
| CA3001049C (en) | 2024-01-02 |
| FR3042235B1 (en) | 2020-03-27 |
| IL258552B2 (en) | 2023-05-01 |
| AU2016336816B2 (en) | 2021-06-10 |
| DK3362685T3 (en) | 2020-03-09 |
| US10968901B2 (en) | 2021-04-06 |
| ZA201802404B (en) | 2020-01-29 |
| ES2775737T3 (en) | 2020-07-28 |
| JP2018530703A (en) | 2018-10-18 |
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